Portion of a headset



FIG. 1 is a left side elevational view of a portion of a headset showing our new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a front elevational view thereof, with some of the broken lines removed for clarity of illustration;

FIG. 8 is a rear elevational view thereof, with some of the broken lines removed for clarity of illustration; and,

FIG. 9 is a bottom plan view thereof.

The broken line showing of the various elements on FIGS. 1-8 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a portion of a headset, as shown and described. 